SiS GO Energy + Caffeine Gel review
SiS GO Energy + Caffeine Gel review
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SiS GO Energy + Caffeine Gel review

The new GO Energy + Caffeine Gel from SiS, tested and rated by our expert reviewer

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£9.89 for six


SiS GO Energy + Caffeine Gel review

Taking a caffeinated gel at the start and/or in the later stages of a long race can help combat fatigue and improve performance.  

However, while most caffeinated gels deliver a modest 30-50mgs of caffeine, each SiS double espresso flavoured energy gel contains (in addition to 22g of carbohydrate) no less than 150mgs of caffeine – enough to produce the kind of caffeine concentrations that scientific studies have shown to be effective. 

In testing, the double espresso flavour gained the thumbs up – very coffee-like, and just sweet enough to effectively disguise the naturally bitter flavour of caffeine. 

The texture was also smooth, without being too rich or watery. And while not the cheapest, the fact that just one of these is likely to be sufficient in a race or training session makes this SiS offering good value.

Verdict: An effective and tasty way of getting that caffeine boost, 88%


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